Program |
Developer |
License |
Supported file systems |
Supported platforms |
GUI |
CLI |
Script |
Scheduler |
Boot time |
Auto defrag when idle |
Stable release |
Auslogics Disk Defrag |
Auslogics |
Freeware |
FAT16, FAT32, NTFS |
Windows XP and later |
Yes |
Yes |
|
Yes |
Yes |
Yes |
10.2.0.1 (Free), 4.11.0.7 (Ultimate) (January 26, 2022 (2022-01-26) (Free), March 3, 2020 (2020-03-03) (Ultimate)) [±] |
AVG PC TuneUp |
AVG Technologies |
Trialware |
|
|
|
|
|
|
|
|
2015 (v15.0.1001.238) (November 30, 2014) |
Contig |
Microsoft |
Freeware |
NTFS |
Windows XP and later; Windows Server 2003 and later |
No[1] |
Yes |
No |
Yes, with Windows Task Scheduler |
No |
Yes, with Windows Task Scheduler[a] |
1.8 (July 4, 2016)[1] |
Defraggler |
Piriform |
Freeware |
FAT32, NTFS, exFAT, ReFS[2] |
Windows XP and later |
Yes |
Yes |
No |
Yes, with Windows Task Scheduler[b] |
Yes |
Yes, with Windows Task Scheduler[a] |
2.22.995 [4] (May 2, 2018 (2018-05-02)) [±] |
Drive Optimizer (formerly Disk Defragmenter) |
Microsoft |
Bundled with Microsoft Windows |
FAT16, FAT32, NTFS, ReFS |
Windows 2000 and later; Windows 95 and later |
Yes |
Yes |
Yes |
Yes, with Windows Task Scheduler |
No |
No |
Same as Windows |
Diskeeper |
Condusiv Technologies |
Discontinued (formerly trialware |
FAT16, FAT32, NTFS |
Windows XP and later |
Yes[5] |
Yes[6] |
Yes[7] |
Yes[c] |
Yes[8] |
Yes |
2020 (20.0.1302) (March 23, 2020 (2020-03-23)) [±] |
JkDefrag |
Jeroen Kessels |
GNU GPL |
FAT & NTFS |
Windows 2000, Windows XP, Windows Vista |
Yes |
Yes |
|
|
|
|
3.36.0.2 / August 31, 2008 |
O&O Defrag |
O&O Software |
Trialware |
FAT16, FAT32, NTFS, exFAT, ReFS |
Windows NT 4.0, 2000, XP, Vista, 7, 8.x, 10, 11. Server 2003, 2008, 2012, 2016, 2019, 2022 |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
27.0.8038 (September 12, 2023) [±] |
PageDefrag |
Microsoft |
Freeware |
FAT16, FAT32, NTFS |
Windows 2000, XP |
No |
No |
No |
No |
Yes |
No |
|
PerfectDisk |
Raxco |
Discontinued (formerly trialware |
FAT16, FAT32, exFAT, NTFS, ReFS* and CSVFS[9] |
Windows XP SP3 or higher (x86, x64), Windows 10, Windows Server 2003 SP1, Windows Server 2019[9] |
Yes |
Enterprise Console edition only |
|
Yes |
Yes |
Yes |
PerfectDisk 14 Build 900 (2021)[10] |
UltimateDefrag |
DiskTrix |
Trialware[11] |
FAT32, NTFS |
Windows XP and later |
Yes |
Yes |
|
Yes |
Yes |
|
6.1.2.0 (28 July 2021) |
UltraDefrag |
Dmitri Arkhangelski, Justin Dearing, Sayem Chaklader, Stefan Pendl |
Commercial software (8.0+) / GNU GPL (7.1.x) |
FAT12, FAT16, FAT32, NTFS, exFAT, ReFS[12] |
Windows NT 4.0 and later |
Yes |
Yes |
Yes[d][13] |
Yes, with Windows Task Scheduler |
Yes |
Yes, with Windows Task Scheduler[a] |
14.0.0 (April 19, 2025; 24 days ago (2025-04-19)) [±], Open source version discontinued[14] |
Vopt |
GoldenBow (or DataTuna)[15] |
Discontinued (formerly freeware) |
FAT32, NTFS |
Windows 2000 and later |
Yes |
|
|
Yes |
|
|
9.21.0001 (November 14, 2010 (2010-11-14)) [±] |
Program |
Developer |
License |
Supported file systems |
Supported platforms |
GUI |
CLI |
Script |
Scheduler |
Boot time |
Auto defrag when idle |
Stable release |